Rosa 'John Davis' (John Davis Rose)


Botanical Information

FamilyRosaceae
GenusRosa
Cultivar'John Davis'
CategoryWoody
TypeShrub (deciduous)
OriginA Canadian Explorer series rose introduced in 1986 resulting from a cross between R. kordesii and line originating from a cross between the cultivars 'Red Dawn' and 'Suzanne'.
Pronunciation

Details

USDA Hardiness Zone3a
USDA Hardiness Ref.
Canadian Hardiness Zone3
Canada Hardiness Ref.
RHS Hardiness ZoneH7 - H2
RHS Hardiness Ref.
Temperature (°C)-40
Temperature (°F)-40
Height2 - 2.5 m
Spread0.8 - 1.2 m
GrowthMedium
Flowering PeriodJune, July

Description and Growing Information

ShapeCompact-rounded spreading.
LandscapeBorders, hedges, climbers, rock garden, flower beds, containers, cut flowers, can accommodate almost any garden need.
CultivationGrow in full sun in moist but well-drained soil. Suckers should be removed annually.
PestsAphids, leafhoppers, spider mites, scale insects, caterpillars, mildew, dieback, canker, viruses, rust and rose slugs. Somewhat resistant to blackspot and powdery mildew.
Notable SpecimensThe Devonian Botanic Garden, Devon, Alberta, Canada. The Ottawa Experimental Farm, Ottawa, Ontario, Canada. The A.M. Cuddy Gardens, Strathroy, Ontario, Canada. Olds College, Olds, Alberta, Canada.
HabitatHorticultural origin.
Bark/Stem DescriptionSmooth, semi-glossy robust woody stems with small characteristic rose spines/thorns.
Leaf DescriptionSemi-glossy, highly serrated, elliptic-pinnate leaves.
Flower DescriptionUp to 17 8 - 9 cm medium pink flowers per cluster with an average of 40 petals per bloom. Often quartered, similar in form to many old-fashioned roses.
Colour DescriptionShowy rosy pink to dark pink blooms, medium green foliage, showy reddish-orange rosehip fruits and brownish-green bark with reddish-brown spines/thorns.
Texture DescriptionMedium to spiny.

Photographs